>> hi, i'm sean at the national zoo with our oldest mammal. she's the fourth oldest elephant. come see her. and good morning, washington. >> labor day morning. 6:39 a.m. meteorologist adam caskey live outside on this perfect, perfect monday morning. it's actually very refreshing. let's take a look at the numbers to start our day. upper 40's out west. winchester, 48. cumberland, 45. 63 at reagan national. in stafford, 54. the nice, refreshing comfortable start this morning. open the doors and windows and let the air circulate inside. mostly sunny with highs in the mid 80's today. upper 80's for tuesday and wednesday. 4 so as you go back to work and school, kids.